19 May 04 - "The bottom line is more horsepower at all altitudes" Plane & Pilot magazine has published a feature article in its June issue, detailing the efficiency and performance of our Power Flow tuned exhaust system together with Laminar Flow aerodynamic modifications onPiper Cherokee 140. The article provides testimonial from a satisfied client as well as technical figures to back it up. The airplane’s results, after installation, included a 200 fpm improvement in climb performance as well as a max cruise speed increase by 12 knots. Bill Cox further states that Power Flow Systems and Laminar Flow Systems is known for extracting uncommon performance from unlikely candidates.